3990773
Fuel Pump Solenoid
Cummins®

Name: 3990773 Cummins | Fuel Pump Solenoid
Brand: Cummins
SKU: 3990773
Price: 649.95 USD
Availability: InStock
Rating: 5 (1 reviews)

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$649.95 $773.44

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Genuine OEM Part

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.

Manufacturer Warranty*

We honor the warranty provided by the original equipment manufacturer.

DESCRIPTION

Introduction

The Cummins Fuel Pump Solenoid 3990773 is a critical component in the fuel systems of commercial trucks. Cummins, a prominent manufacturer in the commercial truck industry, is known for producing high-quality parts that enhance engine performance and reliability. This part is specifically designed to regulate fuel flow within the fuel system, ensuring optimal engine operation ¹.

Basic Concepts of Fuel Pump Solenoids

A Fuel Pump Solenoid is an electromechanical device that controls the flow of fuel in the fuel system. It operates by converting an electric current into a magnetic field, which moves a plunger or valve to regulate fuel passage. This regulation is essential for maintaining the correct fuel pressure and flow rate, ensuring the engine receives the appropriate amount of fuel for efficient operation ².

Role of the 3990773 Fuel Pump Solenoid in Truck Operation

The 3990773 Fuel Pump Solenoid is engineered to work with other fuel system components, such as the fuel pump, fuel filter, and injectors, to maintain optimal fuel delivery. By precisely controlling fuel flow, the solenoid helps achieve desired engine performance, ensuring smooth operation and efficient fuel consumption ³.

Key Features of the 3990773 Fuel Pump Solenoid

This Cummins part is characterized by its high-quality materials, ensuring durability and resistance to wear. It is precision-engineered for accurate fuel regulation and may include advanced sealing mechanisms to prevent fuel leaks and maintain a tight seal under varying operating conditions ⁴.

Benefits of Using the 3990773 Fuel Pump Solenoid

Utilizing this part offers several advantages, including improved fuel efficiency through precise fuel regulation. This can enhance overall engine performance, leading to smoother operation and potentially extending the engine’s lifespan. The reliability of the solenoid provides truck operators with confidence in their vehicles’ consistent performance.

Troubleshooting the 3990773 Fuel Pump Solenoid

Common issues with this part may include failure to open or close properly, leading to fuel delivery problems. Diagnostic steps involve checking electrical connections, testing the solenoid for proper operation, and inspecting for signs of wear or damage. Solutions may range from cleaning and recalibrating the solenoid to replacing it if found faulty.

Maintenance Tips for the 3990773 Fuel Pump Solenoid

Regular maintenance practices are recommended to ensure the longevity and optimal performance of this part. This includes periodic inspection for wear, ensuring secure and corrosion-free electrical connections, and following the manufacturer’s guidelines for testing and maintenance. Keeping the fuel system clean and free from contaminants also contributes to the solenoid’s efficient operation.

Integration with Cummins Engines

The 3990773 Fuel Pump Solenoid is designed to work seamlessly with Cummins engines, enhancing overall engine performance. Its integration into the fuel system is tailored to complement the specific requirements of Cummins engines, ensuring optimized fuel delivery for these powerful and reliable engines.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing high-quality, durable, and efficient engines and components. The company’s product range includes a variety of engines, powertrains, and related components, all designed to meet the demanding requirements of commercial applications.

Cummins Fuel Pump Solenoid 3990773 Compatibility

The Cummins Fuel Pump Solenoid part number 3990773 is designed to fit seamlessly within several engine models, ensuring optimal performance and reliability. Here is a detailed look at the compatibility of this part with various Cummins engines:

6C8.3 Engine Series

The 6C8.3 engine series is known for its robust design and efficiency. The Fuel Pump Solenoid 3990773 is specifically engineered to integrate with this engine series, providing a critical function in the fuel delivery system. This part ensures that the engine receives the correct amount of fuel, which is essential for maintaining performance and efficiency.

Group Compatibility

In addition to the 6C8.3 engine series, the Cummins Fuel Pump Solenoid 3990773 is also compatible with a range of other engine models. This compatibility extends across various engine groups, ensuring that the solenoid can be used in multiple applications without modification. The solenoid’s design allows it to fit snugly and function effectively within these different engine configurations.

Installation and Functionality

When installed in the 6C8.3 engine series or other compatible engine groups, the Fuel Pump Solenoid 3990773 operates by controlling the flow of fuel from the fuel tank to the engine. This control is vital for maintaining the proper fuel pressure required for the engine to run smoothly. The solenoid’s precise operation ensures that the engine receives a consistent and adequate fuel supply, which is crucial for performance and longevity.

Reliability and Performance

The Cummins Fuel Pump Solenoid 3990773 is built to withstand the rigors of heavy-duty applications. Its robust construction and precise engineering make it a reliable component in the fuel delivery system. This reliability is essential for maintaining the overall performance and efficiency of the engine, ensuring that it operates at peak levels under various conditions.

Conclusion

The Cummins Fuel Pump Solenoid 3990773 is a versatile and reliable component that fits seamlessly within the 6C8.3 engine series and other compatible engine groups. Its precise design and robust construction ensure optimal performance and efficiency, making it an essential part of the fuel delivery system in these engines. The solenoid’s role in regulating fuel flow, ensuring safety through the fuel shutoff system, and integrating with Cummins engines underscores its importance in maintaining engine performance and reliability.

Bennett, S., & Norman, I. A. (2011). Heavy Duty Truck Systems Fifth Edition. Delmar Cengage Learning.
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Hilgers, M. (2023). The Diesel Engine Second Edition. Springer Nature.
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Bonnick, A. (2004). A Practical Approach to Motor Vehicle Engineering and Maintenance. Elsevier.
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Bari, S. (2013). Diesel Engine Combustion, Emissions and Condition Monitoring. InTech.
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SPECIFICATIONS

Package Dimensions

11.6 x 3.3 x 3.25 in

Weight

1.98 lbs

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* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.

3990773 Fuel Pump Solenoid Cummins®